Protein intake and body weight, fat mass and waist circumference: an umbrella review of systematic reviews for the evidence-based guideline on protein intake of the German Nutrition Society
S. Ellinger, A.M. Amini, J. Haardt, A. Lehmann, A. Schmidt, H.A. Bischoff-Ferrari, A. Buyken, A. Kroke, T. Kühn, S. Louis, S. Lorkowski, K. Nimptsch, M.B. Schulze, L. Schwingshackl, R. Siener, G.I. Stangl, D. Volkert, A. Zittermann, B. Watzl, S. Egert, European Journal of Nutrition (2023).